1950. Sixth Edition. 163 pages. No dust jacket. This is an ex-Library book. Blue cloth boards with gilt lettering. Ex-Library copy, with expected inserts, stamps and inscriptions. Clean pages with light tanning and mild foxing throughout. More pronounced to free endpapers and pastedowns. Hinges are slightly cracked with exposed netting. Ink stamp inscription to top edges textblock. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Gilt lettering is darkened. Visible wear marks to boards.